Submission

Status:

PPPPPPPPPPPPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: Lovelolbtw

Problemset: ISBN

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-29 17:18:56

#include <bits/stdc++.h>
using namespace std;

int main(){
    int a[9];
    int sum = 0;

    for( int i = 0; i<9;i++){
        cin >> a[i];
        sum += a[i] *(10-i);

    }
    //cout << sum;
    int n10 = ( 11 - sum % 11 ) % 11;

    cout << n10 << "\n";
    return 0;

}